- Botrychium zeylanicum (L.) Sw.

- Botryopteris crenata (C.Presl) C.Presl

- Botryopteris mexicana C.Presl

- Helminthostachys crenata C.Presl

- Helminthostachys dulcis Kaulf.

- Helminthostachys integrifolia C.Presl

- Helminthostachys laciniata Voigt

- Helminthostachys mexicana (C.Presl) Spreng.

- Helminthostachys zeylanica (L.) Kaulf., 1947

- Helminthostachys zeylanica var. brachyspicae Nampy & Madhus.

- Helminthostachys zeylanica var. brachyspicii Nampy & Madhus.

- Ophiala zeylanica (L.) Desv.

- Osmunda laciniata Noronha

- Osmunda zeylanica L.